facula

A noun referring to a bright spot on a planet or a large bright area on the sun's photosphere, often observed near sunspots.

• 🇨🇳指太阳光球层上明亮的斑状区域，常出现在太阳黑子附近；也泛指行星表面的亮斑。

1. Bright spot on a planet C2 formal scientific

   A bright area or spot on the surface of a planet, often associated with reflective features or atmospheric phenomena.

   • The telescope revealed a prominent facula on the surface of Jupiter.
   • Scientists observed a facula near the equator of Saturn.
   • The facula on Venus was studied for its reflective properties.

   🇨🇳光斑

2. Bright spot on the sun C2 formal scientific

   A large, bright region on the Sun's photosphere, often appearing near sunspots and associated with increased solar activity.

   • Solar faculae are often visible near the edges of the Sun's disk.
   • The facula was observed to be brighter than the surrounding photosphere.
   • Researchers study faculae to understand solar magnetic fields.

   🇨🇳光斑

• faculae plural form
• faculae's possessive plural form
• facula's possessive singular form